arm_generic.py (10406:3819b85ff21a) arm_generic.py (10512:b423e1d0735e)
1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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39import m5
40from m5.objects import *
41from m5.proxy import *
42m5.util.addToPath('../configs/common')
43import FSConfig
44from Caches import *
45from base_config import *
46from O3_ARM_v7a import *
1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

--- 30 unchanged lines hidden (view full) ---

39import m5
40from m5.objects import *
41from m5.proxy import *
42m5.util.addToPath('../configs/common')
43import FSConfig
44from Caches import *
45from base_config import *
46from O3_ARM_v7a import *
47from Benchmarks import SysConfig
47
48class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
49 """Syscall-emulation builder for ARM uniprocessor systems.
50
51 A small tweak of the syscall-emulation builder to use more
52 representative cache configurations.
53 """
54

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65
66class LinuxArmSystemBuilder(object):
67 """Mix-in that implements create_system.
68
69 This mix-in is intended as a convenient way of adding an
70 ARM-specific create_system method to a class deriving from one of
71 the generic base systems.
72 """
48
49class ArmSESystemUniprocessor(BaseSESystemUniprocessor):
50 """Syscall-emulation builder for ARM uniprocessor systems.
51
52 A small tweak of the syscall-emulation builder to use more
53 representative cache configurations.
54 """
55

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66
67class LinuxArmSystemBuilder(object):
68 """Mix-in that implements create_system.
69
70 This mix-in is intended as a convenient way of adding an
71 ARM-specific create_system method to a class deriving from one of
72 the generic base systems.
73 """
73 def __init__(self, machine_type):
74 def __init__(self, machine_type, **kwargs):
74 """
75 Arguments:
76 machine_type -- String describing the platform to simulate
75 """
76 Arguments:
77 machine_type -- String describing the platform to simulate
78 num_cpus -- integer number of CPUs in the system
77 """
78 self.machine_type = machine_type
79 """
80 self.machine_type = machine_type
81 self.num_cpus = kwargs.get('num_cpus', 1)
82 self.mem_size = kwargs.get('mem_size', '256MB')
79
80 def create_system(self):
83
84 def create_system(self):
85 sc = SysConfig(None, self.mem_size, None)
81 system = FSConfig.makeArmSystem(self.mem_mode,
86 system = FSConfig.makeArmSystem(self.mem_mode,
82 self.machine_type, None, False)
87 self.machine_type, self.num_cpus,
88 sc, False)
83
84 # We typically want the simulator to panic if the kernel
85 # panics or oopses. This prevents the simulator from running
86 # an obviously failed test case until the end of time.
87 system.panic_on_panic = True
88 system.panic_on_oops = True
89
90 self.init_system(system)
91 return system
92
93class LinuxArmFSSystem(LinuxArmSystemBuilder,
94 BaseFSSystem):
95 """Basic ARM full system builder."""
96
89
90 # We typically want the simulator to panic if the kernel
91 # panics or oopses. This prevents the simulator from running
92 # an obviously failed test case until the end of time.
93 system.panic_on_panic = True
94 system.panic_on_oops = True
95
96 self.init_system(system)
97 return system
98
99class LinuxArmFSSystem(LinuxArmSystemBuilder,
100 BaseFSSystem):
101 """Basic ARM full system builder."""
102
97 def __init__(self, machine_type='RealView_PBX', **kwargs):
103 def __init__(self, machine_type='VExpress_EMM', **kwargs):
98 """Initialize an ARM system that supports full system simulation.
99
100 Note: Keyword arguments that are not listed below will be
101 passed to the BaseFSSystem.
102
103 Keyword Arguments:
104 machine_type -- String describing the platform to simulate
105 """
106 BaseSystem.__init__(self, **kwargs)
104 """Initialize an ARM system that supports full system simulation.
105
106 Note: Keyword arguments that are not listed below will be
107 passed to the BaseFSSystem.
108
109 Keyword Arguments:
110 machine_type -- String describing the platform to simulate
111 """
112 BaseSystem.__init__(self, **kwargs)
107 LinuxArmSystemBuilder.__init__(self, machine_type)
113 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
108
109 def create_caches_private(self, cpu):
110 # Use the more representative cache configuration
111 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
112 O3_ARM_v7a_DCache(),
113 O3_ARM_v7aL2())
114
115class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
116 BaseFSSystemUniprocessor):
117 """Basic ARM full system builder for uniprocessor systems.
118
119 Note: This class is a specialization of the ArmFSSystem and is
120 only really needed to provide backwards compatibility for existing
121 test cases.
122 """
123
114
115 def create_caches_private(self, cpu):
116 # Use the more representative cache configuration
117 cpu.addTwoLevelCacheHierarchy(O3_ARM_v7a_ICache(),
118 O3_ARM_v7a_DCache(),
119 O3_ARM_v7aL2())
120
121class LinuxArmFSSystemUniprocessor(LinuxArmSystemBuilder,
122 BaseFSSystemUniprocessor):
123 """Basic ARM full system builder for uniprocessor systems.
124
125 Note: This class is a specialization of the ArmFSSystem and is
126 only really needed to provide backwards compatibility for existing
127 test cases.
128 """
129
124 def __init__(self, machine_type='RealView_PBX', **kwargs):
130 def __init__(self, machine_type='VExpress_EMM', **kwargs):
125 BaseFSSystemUniprocessor.__init__(self, **kwargs)
131 BaseFSSystemUniprocessor.__init__(self, **kwargs)
126 LinuxArmSystemBuilder.__init__(self, machine_type)
132 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)
127
128class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
129 """Uniprocessor ARM system prepared for CPU switching"""
130
133
134class LinuxArmFSSwitcheroo(LinuxArmSystemBuilder, BaseFSSwitcheroo):
135 """Uniprocessor ARM system prepared for CPU switching"""
136
131 def __init__(self, machine_type='RealView_PBX', **kwargs):
137 def __init__(self, machine_type='VExpress_EMM', **kwargs):
132 BaseFSSwitcheroo.__init__(self, **kwargs)
138 BaseFSSwitcheroo.__init__(self, **kwargs)
133 LinuxArmSystemBuilder.__init__(self, machine_type)
139 LinuxArmSystemBuilder.__init__(self, machine_type, **kwargs)